html {
    font-size: 50px;
}


@no: 15;

@media screen and (min-width: 320px) {
    html {
         font-size: 320px / @no;
         height: 100%;
    } 
}

@media screen and (min-width: 360px) {
    html {
         font-size: 360px / @no;
         height: 100%;
    } 
}

@media screen and (min-width: 375px) {
    html {
         font-size: 375px / @no;
         height: 100%;
    } 
}

@media screen and (min-width: 384px) {
    html {
         font-size: 384px / @no;
         height: 100%;
    } 
}

@media screen and (min-width: 400px) {
    html {
         font-size: 400px / @no;
         height: 100%;
    } 
}

@media screen and (min-width: 414px) {
    html {
         font-size: 414px / @no;
         height: 100%;
    } 
}

@media screen and (min-width: 424px) {
    html {
         font-size: 424px / @no;
         height: 100%;
    } 
}

@media screen and (min-width: 480px) {
    html {
         font-size: 480px / @no;
         height: 100%;
    } 
}

@media screen and (min-width: 540px) {
    html {
         font-size: 540px / @no;
         height: 100%;
    } 
}

@media screen and (min-width: 720px) {
    html {
         font-size: 720px / @no;
         height: 100%;
    } 
}

@media screen and (min-width: 750px) {
    html {
         font-size: 750px / @no;
         height: 100%;
    } 
}


* {
    margin: 0;
    padding: 0;
    user-select: none;
}

body {
    width: 100%;
}

html
body,
#app{
    height: 100%;
}

a {
    text-decoration: none;
}

li {
    list-style: none;
}

img {
    width: 100%;
    height: 100%;
}

video {
    width: 100%;
    object-fit: fill;
}

.mask {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .4);
    pointer-events: none;
}